ASHRAE Journal -November 2012 - B23

the thermal loads from daylight and electric light, as well as electric lighting power, to achieve the desired balance, meet DR goals, and maintain a productive, comfortable environment. New lighting products offer the opportunity for DR curtailment that integrate intelligent electric lighting management, HVAC, and daylight management within the BMS. Until recently, integration protocols and capability have been limited, and most integration between active fenestration and other systems has been limited to a simple contact closure or two. This is changing as a result of distributed, intelligent, active fenestration systems that offer advanced integration and control capability with protocols such as BACnet. Studies highlighting the energy savings and curtailment potential for this type of integration, and the availability of analytics to support energy claims, are in their infancy, but as knowledge expands, the industry is likely to embrace intelligent fenestration as another element of a sophisticated DR approach.

Legislation and the Future of Demand Response
So far, DR has been voluntary and companies are allowed to supplement power from the grid with power they generate onsite. However, newly established green codes, standards, and rating systems are moving municipalities toward legislated DR implementation. California’s newly adopted CalGreen, recently released codes including ASHRAE/USGBC/IES Standard

189.1-2011, the recently finalized International Green Construction Code (IgCC), and USGBC’s imminent LEED v4 update all have DR components. Furthermore, Standard 189.1-2011 and the DR credit for LEED v4 do not allow “standby power generation” or “on-site electricity generation” to be used, signaling a definite move toward pure curtailment strategies. As DR becomes more universal, controllable systems for HVAC and lighting become more important. Today, the industry is working toward automatic demand response or AutoDR. Demand events will directly signal energy managers to curtail power through a facility control system. This trend will become more prevalent as the smart grid develops (More information is in Open ADR on Page B16). The ability of lighting to be predictive, responsive and linear when operated by intelligent light control systems, makes DR simpler, and more economically beneficial. Gradual, steady changes in light levels result in immediate reductions in power usage while being completely transparent to the occupants in the building, which makes lighting and lighting control systems your best choice for DR fine-tuning adjustment.

References
1. EIA. 2008. “Overview of Commercial Buildings, 2003.” Energy Information Administration. ftp://ftp.eia.doe.gov/consumption/overview.pdf. 2. Lighting Research Center, RPI. 2003. “Understanding Light Levels for Load Shedding.” http://tinyurl.com/8tuj3ws.

www.info.hotims.com/41645-54

November 2012

BACnet®

To d a y a n d t h e S m a r t G r i d | A S u p p l e m e n t t o A S H R A E J o u r n a l

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ASHRAE Journal -November 2012

Table of Contents for the Digital Edition of ASHRAE Journal -November 2012

ASHRAE Journal -November 2012
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
Methods for Effective Room Air Distribution: Part One
Technology Award Case Studies:
TES for Medical Center
Feature Articles
Demand-Controlled Ventilation for Commercial Kitchens
Special Supplement: BACnet® Today and the Smart Grid
Commentary
BACnet for a City
Electric Utilities and the HVAC Industry
OpenADR Advances
Demand Response and Light Control
Standing Columns
Building Sciences
Special Section
InfoCenter
Data Centers
Emerging Technologies
Refrigeration Applications
Engineer's Notebook
Special Products
Washington Report
Products
Classified Advertising
Advertisers Index
ASHRAE Journal -November 2012 - ASHRAE Journal -November 2012
ASHRAE Journal -November 2012 - Cover2
ASHRAE Journal -November 2012 - 1
ASHRAE Journal -November 2012 - 2
ASHRAE Journal -November 2012 - Contents
ASHRAE Journal -November 2012 - Commentary
ASHRAE Journal -November 2012 - 5
ASHRAE Journal -November 2012 - Industry News
ASHRAE Journal -November 2012 - 7
ASHRAE Journal -November 2012 - 8
ASHRAE Journal -November 2012 - 9
ASHRAE Journal -November 2012 - 10
ASHRAE Journal -November 2012 - 11
ASHRAE Journal -November 2012 - Letters
ASHRAE Journal -November 2012 - 13
ASHRAE Journal -November 2012 - Meetings and Shows
ASHRAE Journal -November 2012 - 15
ASHRAE Journal -November 2012 - 16
ASHRAE Journal -November 2012 - 17
ASHRAE Journal -November 2012 - Methods for Effective Room Air Distribution: Part One
ASHRAE Journal -November 2012 - 19
ASHRAE Journal -November 2012 - 20
ASHRAE Journal -November 2012 - 21
ASHRAE Journal -November 2012 - 22
ASHRAE Journal -November 2012 - 23
ASHRAE Journal -November 2012 - 24
ASHRAE Journal -November 2012 - 25
ASHRAE Journal -November 2012 - 26
ASHRAE Journal -November 2012 - 27
ASHRAE Journal -November 2012 - TES for Medical Center
ASHRAE Journal -November 2012 - 29
ASHRAE Journal -November 2012 - 30
ASHRAE Journal -November 2012 - 31
ASHRAE Journal -November 2012 - 32
ASHRAE Journal -November 2012 - 33
ASHRAE Journal -November 2012 - 34
ASHRAE Journal -November 2012 - 35
ASHRAE Journal -November 2012 - Demand-Controlled Ventilation for Commercial Kitchens
ASHRAE Journal -November 2012 - 37
ASHRAE Journal -November 2012 - 38
ASHRAE Journal -November 2012 - 39
ASHRAE Journal -November 2012 - 40
ASHRAE Journal -November 2012 - 41
ASHRAE Journal -November 2012 - 42
ASHRAE Journal -November 2012 - 43
ASHRAE Journal -November 2012 - 44
ASHRAE Journal -November 2012 - 45
ASHRAE Journal -November 2012 - 46
ASHRAE Journal -November 2012 - 47
ASHRAE Journal -November 2012 - 48
ASHRAE Journal -November 2012 - Special Supplement: BACnet® Today and the Smart Grid
ASHRAE Journal -November 2012 - B2
ASHRAE Journal -November 2012 - Commentary
ASHRAE Journal -November 2012 - BACnet for a City
ASHRAE Journal -November 2012 - B5
ASHRAE Journal -November 2012 - B6
ASHRAE Journal -November 2012 - B7
ASHRAE Journal -November 2012 - B8
ASHRAE Journal -November 2012 - B9
ASHRAE Journal -November 2012 - Electric Utilities and the HVAC Industry
ASHRAE Journal -November 2012 - B11
ASHRAE Journal -November 2012 - B12
ASHRAE Journal -November 2012 - B13
ASHRAE Journal -November 2012 - B14
ASHRAE Journal -November 2012 - B15
ASHRAE Journal -November 2012 - OpenADR Advances
ASHRAE Journal -November 2012 - B17
ASHRAE Journal -November 2012 - B18
ASHRAE Journal -November 2012 - B19
ASHRAE Journal -November 2012 - Demand Response and Light Control
ASHRAE Journal -November 2012 - B21
ASHRAE Journal -November 2012 - B22
ASHRAE Journal -November 2012 - B23
ASHRAE Journal -November 2012 - B24
ASHRAE Journal -November 2012 - 49
ASHRAE Journal -November 2012 - Building Sciences
ASHRAE Journal -November 2012 - 51
ASHRAE Journal -November 2012 - 52
ASHRAE Journal -November 2012 - 53
ASHRAE Journal -November 2012 - 54
ASHRAE Journal -November 2012 - 55
ASHRAE Journal -November 2012 - InfoCenter
ASHRAE Journal -November 2012 - 57
ASHRAE Journal -November 2012 - 58
ASHRAE Journal -November 2012 - 59
ASHRAE Journal -November 2012 - 60
ASHRAE Journal -November 2012 - 61
ASHRAE Journal -November 2012 - 62
ASHRAE Journal -November 2012 - 63
ASHRAE Journal -November 2012 - Data Centers
ASHRAE Journal -November 2012 - 65
ASHRAE Journal -November 2012 - 66
ASHRAE Journal -November 2012 - 67
ASHRAE Journal -November 2012 - Emerging Technologies
ASHRAE Journal -November 2012 - 69
ASHRAE Journal -November 2012 - 70
ASHRAE Journal -November 2012 - 71
ASHRAE Journal -November 2012 - Refrigeration Applications
ASHRAE Journal -November 2012 - 73
ASHRAE Journal -November 2012 - Engineer's Notebook
ASHRAE Journal -November 2012 - 75
ASHRAE Journal -November 2012 - Special Products
ASHRAE Journal -November 2012 - Washington Report
ASHRAE Journal -November 2012 - Products
ASHRAE Journal -November 2012 - Classified Advertising
ASHRAE Journal -November 2012 - Advertisers Index
ASHRAE Journal -November 2012 - Cover3
ASHRAE Journal -November 2012 - Cover4
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